CN107878447A - Hybrid vehicle, which is slided to rub, starts the control method that engine is coordinated with gearshift - Google Patents
Hybrid vehicle, which is slided to rub, starts the control method that engine is coordinated with gearshift Download PDFInfo
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- CN107878447A CN107878447A CN201711080718.6A CN201711080718A CN107878447A CN 107878447 A CN107878447 A CN 107878447A CN 201711080718 A CN201711080718 A CN 201711080718A CN 107878447 A CN107878447 A CN 107878447A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
- B60W20/15—Control strategies specially adapted for achieving a particular effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
- B60W10/11—Stepped gearings
- B60W10/115—Stepped gearings with planetary gears
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/30—Control strategies involving selection of transmission gear ratio
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/40—Controlling the engagement or disengagement of prime movers, e.g. for transition between prime movers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/24—Energy storage means
- B60W2510/242—Energy storage means for electrical energy
- B60W2510/244—Charge state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/02—Clutches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0666—Engine torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/081—Speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/10—Change speed gearings
- B60W2710/1005—Transmission ratio engaged
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Slide to rub the invention provides a kind of hybrid vehicle and start the control method that engine is coordinated with gearshift, it is in vehicle under pure electric low traveling and second brake (B2) lockup state, judge whether user needs to carry out anxious acceleration operation, if, then sliding rub of vehicle control unit controls second clutch (C1) starts engine and small machine (E1) realization gearshift while carried out, until the first brake (B1) locking and second clutch (C1) closure, vehicle is in hybrid power driving transport condition.The inventive method, can effectively solve the problems, such as that the sliding starting engine that rubs conflicts with gearshift, shorten the response time of vehicle moment of torsion, vehicle dynamic property and ride comfort is greatly improved, improve vehicle ride comfort.
Description
Technical field
The present invention relates to the control field of hybrid vehicle, and the starting hair that rubs is slided more particularly, to a kind of hybrid vehicle
The control method that motivation is coordinated with gearshift.
Background technology
With the growth of demographic and economic, the energy and environmental problem promote various countries to tap a new source of energy automobile, energy saving and environment friendly
The vehicles.Hybrid vehicle energy-saving and environmental protection, there is the wide market space and good development prospect.
Hybrid vehicle has start-stop function of engine, and the operating mode for starting engine is very frequent, while is terrible
To more preferable oil consumption, clutch and brake can be increased, realize gearshift function, optimize the operating point of engine.Therefore, hair is started
The influence of motivation and gearshift to dynamic property and economy is most important.
In the prior art, the entire car controller of hybrid power system can be according to battery electric quantity, the power of battery, gas pedal
Aperture and GES, to determine to start engine opportunity, determine whether to be shifted gears according to the Shifting of formulation, and work as
When starting the opportunity of engine with shifting gears while meeting, a priority can be set to determine the strategy preferentially carried out.And set
The method of priority has simply arbitrated the low strategy of priority, does not solve fundamentally to start what engine conflicted with gearshift
Problem, and hydraulic system it is discontinuous slide rubbing start engine and operation shifting element, the serious vehicle that have impact on moves
Power and ride comfort.
The content of the invention
For prior art defect, the present invention is intended to provide a kind of hybrid vehicle, which is slided to rub, starts engine and gearshift association
The control method of tune, can effectively solve the problems, such as that the sliding starting engine that rubs conflicts with gearshift, shorten the response time of vehicle moment of torsion,
Vehicle dynamic property and ride comfort is greatly improved.
The present invention is realized by following scheme：
A kind of hybrid vehicle, which is slided to rub, starts the control method that engine is coordinated with gearshift, is in pure electronic low in vehicle
Under speed traveling and second brake B2 lockup states, judge whether user needs to carry out anxious acceleration operation, if so, then entire car controller
Control second clutch C1 is slided to rub and is started engine and small machine E1 realizations gearshift while carry out, until the first brake B1 lockings
And second clutch C1 is closed, vehicle is in hybrid power driving transport condition；
A, second clutch C1 is slided the starting engine that rubs and carried out according to the following steps：
S1：Entire car controller sets second clutch C1 pressure regulator valve electric currents according to pre-charge curve, controls second clutch
C1 is in contact dotted state, and pre-oiling is carried out to second clutch C1, after the completion for the treatment of second clutch C1 pre-oilings, performs step
S2；
S2：Entire car controller increases second clutch C1 pressure regulator valve electric currents, and control second clutch C1 is in sliding state of rubbing,
Increase expanded motor E2 moment of torsion simultaneously, the big increased moments of torsion of motor E2 are slided to rub by second clutch drags forwarding motivation, works as vehicle
When controller detects that engine speed is more than default engine oil spout fire speed threshold values A, step S3 is performed；Wherein, in advance
If engine oil spout fire speed threshold values A be generally 400~500rpm；
S3：Entire car controller reduces second clutch C1 pressure regulator valve electric currents, and control second clutch C1 recovers to contact point
State, step S4 is performed afterwards；
S4：Entire car controller sends oil spout ignition order to engine controller, engine controller control by CAN
System performs oil spout ignition order, after engine oil spout is lighted a fire successfully, performs step S5；
S5：Entire car controller sends default engine torque request threshold values B to engine controller by CAN,
Engine controller controls engine lifts rapidly rotating speed under no-load condition, if engine speed is more than big motor E2 rotating speeds,
Then perform step S5 and S6 simultaneously；Wherein, default engine torque request threshold values B can be determined according to actual conditions, with
Ensure that engine lifts rapidly rotating speed under no-load condition, generally, it is only necessary to which less default engine torque please
Threshold values B is sought, engine speed is just lifted quickly, known according to test data, and default engine torque request threshold values B is 5
~10Nm；
S6：Entire car controller increases second clutch C1 pressure regulator valve electric currents, and default engine torque request threshold values B passes through
Second clutch C1 is slided to rub and is transferred on big motor E2 motor shafts to lift big motor speed, if big motor E2 rotating speeds and engine
Rotating speed difference is less than 100rpm, then performs step S7；
S7：Entire car controller continues to increase second clutch C1 pressure regulator valve electric currents, until second clutch C1 is closed；
B, small machine E1 realizes that shift steps are specially：
S8：Entire car controller reduces second brake B2 pressure regulator valve electric currents, opens second brake B2, until the second braking
Device B2 is opened completely, performs step S9 afterwards；
S9：Entire car controller controls drop according to default accelerating curve scope C and in a manner of acceleration gradually successively decreases
Low first single planetary row PG1 planet carrier rotating speed if the first single planetary row PG1 planet carrier rotating speed is 0 and stably, is held to 0
Row step S10；Wherein, default accelerating curve scope C can be appropriate according to different vehicles and supporting hybrid power system
Adjustment, the planet carrier rotating speed to meet the first single planetary row PG1 is very fast and is smoothly reduced to 0 and is defined, and is obtained according to test data
Know, effect is preferable when default accelerating curve scope C is 12~40rpm/10ms.
S10：Entire car controller increases the first brake B1 electromagnetic valve currents, until the first brake B1 lockings.
It is that the vehicle that entire car controller receives is current that whether the user, which needs to carry out the anxious judgment basis for accelerating to operate,
Gas pedal, GES and battery electric quantity signal.
The hybrid vehicle of the present invention, which is slided to rub, starts the control method that engine is coordinated with gearshift, by using big motor
E2 and first clutch C1, which is slided to rub, starts engine, can not only improve starting shake, and being capable of quick start engine.Together
When small machine E1 regulation motors operating point, by locking the first brake B1, realize crash change of speed function.
Compared with prior art, hybrid vehicle of the invention, which is slided to rub, starts the controlling party that engine is coordinated with gearshift
Method, there is advantages below：
1st, control second clutch C1 cunnings to rub to start engine and small machine E1 realizations gearshift while carry out, and engine rises
It is dynamic to be independent of each other with shift process, fundamentally solve by clutch start engine and gearshift collision problem, larger journey
Degree shorten hybrid electric vehicle engine start and shift time, entire car controller can quick response vehicle torque request
And the corresponding moment of torsion of distribution is calculated to engine controller and electric machine controller, give full play to the performance of hybrid power system
With structural advantage, while in whole process, power failure-free situation occurs, and ensures the good smooth-going of Vehicle Shifting
Property, improve vehicle ride comfort；
2nd, by increasing second clutch pressure regulator valve electric current, default engine torque slides biography of rubbing by second clutch C1
It is handed on big motor E2 motor shafts, it is ensured that second clutch C1 transmits torque direction uniformity, suppresses second clutch C1 and passes
The shake that torque delivery commutation zone comes；
3rd, slide to rub by second clutch and start engine, the time for starting engine can be shortened, it is ensured that start every time
The uniformity of effect；
4th, the influence that shake during maskable engine ignition is brought, there is good comfortableness；
5th, there is no particular/special requirement to clutch, brake and hydraulic system, three Hydraulic Elements, this hair can be operated simultaneously
First clutch C0 and second clutch C1 is operated during bright method difference, difficulty reduces, and practicality is stronger；
6th, it is not required to increase additional hardware, software adjustment is few, saves cost, relatively low to the response time requirement of Motor torque,
Engine and hydraulic system are not specially required, conventional engines is may be directly applied to and does in the project of hybrid dynamic system, is applicable
It is a variety of that engine is started using clutch slipping, possesses the hybrid vehicle of automatic gear change function, it is widely applicable.
Brief description of the drawings
Fig. 1 is the structural representation for the hybrid power system that the present invention uses；
Fig. 2 is that hybrid vehicle slides the control general flow chart for rubbing and starting engine and the control method coordinated of shifting gears.
Embodiment
The invention will be further described with reference to embodiments, but the invention is not limited in the statement of embodiment.
The structural representation for the hybrid power system that the present invention uses is as shown in figure 1, its critical piece includes：Engine
ICE, small machine E1, big motor E2, the first single planetary row PG1, the second single planetary row PG2, first clutch C0, second clutch
C1, the first brake B1, second brake B2, gearbox main reducing gear 3 and differential mechanism 2, after engine ICE connections input shaft 1
Respectively by first clutch C0 the first single planetary rows of connection PG1 planet carrier PC1, to pass through second clutch C1 connections second single
Planet row PG2 sun gear S2, big motor E2 are connected with the second single planetary row PG2 sun gear S2, and small machine E1 and first is single
Planet row PG1 sun gear S1 connections, first brake B1 the first single planetary rows of locking PG1 planet carrier PC1, second brake
The first single planetary row of B2 lockings PG1 sun gear S1, the second single planetary row PG2 gear ring R2 the first single planetary rows of connection PG1's
Planet carrier PC1, the first single planetary row PG1 gear ring R1 are connected speed change after being connected with the second single planetary row PG2 planet carrier PC2
Case main reducing gear 3, the connected with differential 2 of gearbox main reducing gear 3.
Embodiment 1
A kind of hybrid vehicle, which is slided to rub, starts the control method that engine is coordinated with gearshift, and it controls general flow chart as schemed
Shown in 2, in the case where vehicle is in pure electric low traveling and second brake B2 lockup states, foundation receives for entire car controller
Current gas pedal, GES and the battery electric quantity signal of vehicle, judge user whether need to carry out it is anxious accelerate operation, if
It is that then vehicle control unit controls second clutch C1 is slided to rub and started engine and small machine E1 realizations gearshift while carry out, until
First brake B1 lockings and second clutch C1 closures, vehicle are in hybrid power driving transport condition；
A, second clutch is slided the starting engine that rubs and carried out according to the following steps：
S1：Entire car controller sets second clutch C1 pressure regulator valve electric currents according to pre-charge curve, controls second clutch
C1 is in contact dotted state, and pre-oiling is carried out to second clutch C1, after the completion for the treatment of second clutch C1 pre-oilings, performs step
S2；
S2：Entire car controller increases second clutch C1 pressure regulator valve electric currents, and control second clutch C1 is in sliding state of rubbing,
Increase expanded motor E2 moment of torsion simultaneously, the big increased moments of torsion of motor E2 are slided to rub by second clutch drags forwarding motivation, works as vehicle
When controller detects that engine speed is more than default engine oil spout fire speed threshold values A, step S3 is performed；Wherein, in advance
If engine oil spout fire speed threshold values A be 400rpm；
S3：Entire car controller reduces second clutch C1 pressure regulator valve electric currents, and control second clutch C1 recovers to contact point
State, step S4 is performed afterwards；
S4：Entire car controller sends oil spout ignition order to engine controller, engine controller control by CAN
System performs oil spout ignition order, after engine oil spout is lighted a fire successfully, performs step S5；
S5：Entire car controller sends default engine torque request threshold values B to engine controller by CAN,
Engine controller controls engine lifts rapidly rotating speed under no-load condition, if engine speed is more than big motor E2 rotating speeds,
Then perform step S5 and S6 simultaneously；Wherein, default engine torque request threshold values B is 5Nm；
S6：Entire car controller increases second clutch C1 pressure regulator valve electric currents, and default engine torque request threshold values B passes through
Second clutch C1 is slided to rub and is transferred on big motor E2 motor shafts to lift big motor speed, if big motor E2 rotating speeds and engine
Rotating speed difference is less than 100rpm, then performs step S7；Wherein, default engine torque request threshold values B is 5Nm；
S7：Entire car controller continues to increase second clutch C1 pressure regulator valve electric currents, until second clutch C1 is closed；
B, small machine E1 realizes that shift steps are specially：
S8：Entire car controller reduces second brake B2 pressure regulator valve electric currents, opens second brake B2, until the second braking
Device B2 is opened completely, performs step S9 afterwards；
S9：Entire car controller controls drop according to default accelerating curve scope C and in a manner of acceleration gradually successively decreases
Low first single planetary row PG1 planet carrier rotating speed if the first single planetary row PG1 planet carrier rotating speed is 0 and stably, is held to 0
Row step S10；Wherein, default accelerating curve scope C is 12~40rpm/10ms；
S10：Entire car controller increases the first brake B1 electromagnetic valve currents, until the first brake B1 lockings.
Embodiment 2
A kind of hybrid vehicle cunning, which is rubbed, starts the control method that engine is coordinated with gearshift, in its step and embodiment 1
Hybrid vehicle slide rub start engine with gearshift coordination control method the step of it is similar, its difference is：
In step S2, default engine oil spout fire speed threshold values A is 500rpm；In step S5 and S6, default engine torque
It is 10Nm to ask threshold values B.
Embodiment 3
A kind of hybrid vehicle cunning, which is rubbed, starts the control method that engine is coordinated with gearshift, in its step and embodiment 1
Hybrid vehicle slide rub start engine with gearshift coordination control method the step of it is similar, its difference is：
In step S2, default engine oil spout fire speed threshold values A is 450rpm；In step S5 and S6, default engine torque
It is 7.5Nm to ask threshold values B.
Claims (5)
1. a kind of hybrid vehicle, which is slided to rub, starts the control method that engine is coordinated with gearshift, it is characterised in that：At vehicle
Under pure electric low traveling and second brake (B2) lockup state, judge whether user needs to carry out anxious acceleration operation, if so,
Then sliding rub of vehicle control unit controls second clutch (C1) starts engine and small machine (E1) realization gearshift while carried out, until
First brake (B1) locking and second clutch (C1) closure, vehicle are in hybrid power driving transport condition；
A, the sliding starting engine that rubs of second clutch (C1) is carried out according to the following steps：
S1：Entire car controller sets second clutch (C1) pressure regulator valve electric current according to pre-charge curve, controls second clutch
(C1) in contact dotted state, pre-oiling is carried out to second clutch (C1), after the completion for the treatment of second clutch (C1) pre-oiling, held
Row step S2；
S2：Entire car controller increases second clutch (C1) pressure regulator valve electric current, and control second clutch (C1) is in sliding state of rubbing,
Increasing expanded motor (E2) moment of torsion simultaneously, the increased moment of torsion of big motor (E2) is slided to rub by second clutch drags forwarding motivation, when
When entire car controller detects that engine speed is more than default engine oil spout fire speed threshold values A, step S3 is performed；
S3：Entire car controller reduces second clutch (C1) pressure regulator valve electric current, and control second clutch (C1) recovers to contact point
State, step S4 is performed afterwards；
S4：Entire car controller sends oil spout ignition order to engine controller, engine controller controls by CAN and held
Row oil spout ignition order, after engine oil spout is lighted a fire successfully, perform step S5；
S5：Entire car controller sends default engine torque request threshold values B to engine controller by CAN, starts
Machine controller controls engine to lift rotating speed rapidly under no-load condition, if engine speed is more than big motor (E2) rotating speed,
Perform step S5 and S6 simultaneously；
S6：Entire car controller increases second clutch (C1) pressure regulator valve electric current, and default engine torque request threshold values B passes through the
Sliding rub of two clutches (C1) is transferred on big motor (E2) motor shaft to lift big motor speed, if big motor (E2) rotating speed and hair
Motivation rotating speed difference is less than 100rpm, then performs step S7；
S7：Entire car controller continues to increase second clutch (C1) pressure regulator valve electric current, until second clutch (C1) closes；
B, small machine (E1) realizes that gearshift is carried out according to the following steps：
S8：Entire car controller reduces second brake (B2) pressure regulator valve electric current, opens second brake (B2), until the second braking
Device (B2) is opened completely, performs step S9 afterwards；
S9：Entire car controller controls reduction by first according to default accelerating curve scope and in a manner of acceleration gradually successively decreases
The planet carrier rotating speed of single planetary row (PG1) if the planet carrier rotating speed of the first single planetary row (PG1) is 0 and stably, is performed to 0
Step S10；
S10：Entire car controller increases the first brake B1 electromagnetic valve currents, until the first brake B1 lockings.
2. hybrid vehicle as claimed in claim 1, which is slided to rub, starts the control method that engine is coordinated with gearshift, its feature
It is：In the step S2, default engine oil spout fire speed threshold values A is 400~500rpm.
3. hybrid vehicle as claimed in claim 1, which is slided to rub, starts the control method that engine is coordinated with gearshift, its feature
It is：In the step S5 and S6, default engine torque request threshold values B is 5~10Nm.
4. hybrid vehicle as claimed in claim 1, which is slided to rub, starts the control method that engine is coordinated with gearshift, its feature exists
In：In the step S9, default accelerating curve scope C is 12~40rpm/10ms.
5. the hybrid vehicle as described in Claims 1 to 4 is any, which is slided to rub, starts the control method that engine is coordinated with gearshift, its
It is characterised by：It is that the vehicle that entire car controller receives is current that whether the user, which needs to carry out the anxious judgment basis for accelerating to operate,
Gas pedal, GES and battery electric quantity signal.
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